1. Department of Pediatrics, Division of Pediatric Infectious Diseases, International Enteric Vaccine Research Program (IEVRP), University at Buffalo, State University of New York, Buffalo, NY, USA
2. Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, State University of New York, Buffalo, NY, USA
3. Sisters of Charity Hospital, Catholic Health System, Buffalo, NY, USA
4. Department of Pediatrics, Division of Neonatology, University at Buffalo, State University of New York, Buffalo, NY, USA